Emma has a remote control toy quadcopter. She flies it but immediately loses sight of it. She knows it only flew for 2 minutes in a straight line before landing on the ground. Which of the following would best help her locate the missing toy?
A. weight of quadcopter
B. velocity of quadcopter
C. distance of flight
Answers: 3
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Aspring is used to stop a 50-kg package which is moving down a 20ΒΊ incline. the spring has a constant k = 30 kn/m and is held by cables so that it is initially compressed 50 mm. knowing that the velocity of the package is 2 m/s when it is 8 m from the spring and neglecting friction, determine the maximum additional deformation of the spring in bringing the package to rest.
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Emma has a remote control toy quadcopter. She flies it but immediately loses sight of it. She knows...
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